How popular is Rickard?

Rickard is an uncommonly occurring first name for males but a very prominent last name for all people (#4005 out of 150436, Top 3%). (2000 U.S. DEMOGRAPHICS)

Rickard entered the list in 1940-1949 and reached its apex rank of #1526 in the U.S. during the years 1950-1959, but is not found in the list currently. (TOP 2000 NAMES, 2015)

Which version is better?

Popular varying forms of Rickard are Ricardo(#275 IN RECENT RANKINGS), Riccardo, Richard(#155), Richardo, Rick(#1838), Rickey(#1755), Ricki, Rickie and Ricky(#584). Other variants, like Ritchard, are seldom used. These forms of Rickard were at the peak of their popularity 7 decades ago (USAGE OF 3.45%) and are now significantly less widespread (USAGE 0.24%, ▼93%).